Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Added check for filename
Whitespace
Fix literal to char* conversion warnings
Merge pull request #282 from CodaFi/literal-const-char

Fixed some warnings.
Merge pull request #281 from CodaFi/Fix-Providers-Crash

Fix #280: Fixed crash related to providers.
added getQuota operation to get free space in mailbox
renamed getQuotaOperation to quotaOperation, removed debug stuff
Merge pull request #289 from soxjke/getQuotaBranch

Added quotaOperation to get used and total space in IMAP account.
Fixed MIME type conversion
Merge remote-tracking branch 'upstream/master'